Copper bonded ground rod is mainly used in the grounding device. Due to its good conductivity, corrosion

resistance, tensile strength, etc., copper bonded ground rod can be widely used, and have been recognized

by the United States Institute of Electrical and Electronics Engineering (IEEE) standard, BS standard and

International Electrotechnical Commission (IEC) standards. In China, have been recognized in the national

electricity company, and gradually be widely used.